This 2019 retrospective observational study titled "The Effect of Paravertebral Ozone Injection in the Treatment of Low Back Pain" (Pain Practice, DOI: [10.1111/papr.12812*) evaluated the impact of paravertebral ozone/oxygen injections on 62 patients with chronic low back pain. Patients received 50 mL of a 15 µg/mL ozone mixture weekly for
